﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demos.DesignPatterns._21_观察者模式
{
    public interface IOrderObserver
    {
        /// <summary>
        /// 更新订单
        /// </summary>
        /// <param name="order"></param>
        void Update(TOrderModel order);
    }
}
